Home / 12,387,595.90-18,581,393.85-8,082,923.80

Finding the Fourth Proportional to 12,387,595.90, 18,581,393.85 and 8,082,923.80

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Solution

The fourth proportional to 12,387,595.90, 18,581,393.85 and 8,082,923.80 is: 12,124,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,595.90 : 18,581,393.85 = 8,082,923.80 : x
  2. Step 2: Convert to fraction form
    12,387,595.90/18,581,393.85 = 8,082,923.80/x
  3. Step 3: Cross multiply
    12,387,595.90x = 18,581,393.85 × 8,082,923.80
  4. Step 4: Simplify right side
    12,387,595.90x = 150,191,990,587,338.62
  5. Step 5: Solve for x
    x = 150,191,990,587,338.62/12,387,595.90
  6. Step 6: Final answer
    x = 12,124,385.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.